









Tartus Cor. + DcpiJi 





Sffiot or lead 

 Bottom 



Bottom U'mperafotre 



./Yo. of tJtertrhorrb&ber Cor, 

 Corrected tamper ajnbrc 



Air Surface Drift 



Trawl or dredge 



SOUNDING WIHL 



TURNS, 



DREDGE ROPE. 



DOWN. 



UP, 



DOWN. 



op. 







0 











ttxi 











COO 





















400 











50O 











too 











700 











fkXJ 





















I ■ - v , 











llOO 











iaog 











1300 











uoo 











(500 











rf*x> 











J 700 











rftoo 











1900 











2000 











2 ICO 











2200 











»300 















* f,7k 



